a. Suppose it is known that 43% of UNITEN student own an iPhone. If a random sample of 70 student were surveyed, what is
Posted: Thu Jan 13, 2022 5:48 am
a. Suppose it is known that 43% of UNITEN student own an iPhone. If a random sample of 70 student were surveyed, what is the probability that the proportion of the sample who owned an iPhone is between 45% and 50%? [6 marks] b. Consider the distribution of soccer players whose mean weight is 160 lbs. with a standard.deviation of 10 lbs. Determine the standard error for the sampling distribution of the mean for samples of size 36, 100, 400, and 1600. [4 marks]